219acf6934a8cf5e3ec365befc6b204ff832f0febad29d341ac858dc83fabc1f

General

Target
file.exe
Size 1.6MB
Sample231207-ff9j8aahd4
SHA256 219acf6934a8cf5e3ec365befc6b204ff832f0febad29d341ac858dc83fabc1f
MD5 ba74a066c7d4321537ede81988051031
SHA1 16c1b5dbf868e78abccbd4d4bfd4b8cc3d1c0091
SHA512 c5f28b86c9026e2a18e595691ba1d3938d88776b64c9191d70bb896aa6c782e4d32e6669a63ccad6b40443b74c30df131a0be0f407171ecce2a4b85d7db617c6
SSDEEP 49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqD8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

collection discovery persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	file.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	file.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
34	ipinfo.io
35	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	file.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	file.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	file.exe
File opened for modification	C:\Windows\System32\GroupPolicy	file.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1940	4244	WerFault.exe	56

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2056	schtasks.exe
4804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4244	file.exe
4244	file.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 2056	4244	file.exe	87
PID 4244 wrote to memory of 2056	4244	file.exe	87
PID 4244 wrote to memory of 2056	4244	file.exe	87
PID 4244 wrote to memory of 4804	4244	file.exe	91
PID 4244 wrote to memory of 4804	4244	file.exe	91
PID 4244 wrote to memory of 4804	4244	file.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4244
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:2056
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:4804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4244 -s 1664
  2⤵
  - Program crash
  PID:1940

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:5072

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4244 -ip 4244
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 1.6MB
SHA256 219acf6934a8cf5e3ec365befc6b204ff832f0febad29d341ac858dc83fabc1f
MD5 ba74a066c7d4321537ede81988051031
SHA1 16c1b5dbf868e78abccbd4d4bfd4b8cc3d1c0091
SHA512 c5f28b86c9026e2a18e595691ba1d3938d88776b64c9191d70bb896aa6c782e4d32e6669a63ccad6b40443b74c30df131a0be0f407171ecce2a4b85d7db617c6
SSDEEP 49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqD8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO
MD5 SHA1 SHA512 SSDEEP

Submit Download

information.txt

Path C:\Users\Admin\AppData\Local\Temp\grandUIAFK8dREBFTgs0v\information.txt
Size 3KB
SHA256 e57e3b2ea6b6151eca174f822fe4fd8e86f53f9bac98063436840e173acf2bb5
MD5 5ce39f4989dfb4f4aa2e723ae3aa7fee
SHA1 826bb28f4938f315f143aaec0dcee56d927d334a
SHA512 a6b2ef36bb36461b5b6b34b53413cae04f613162b9ef63cafa2fcba0b41b72439cc53aa7add9a2cb84a858da2b420131a5dab2eb505919fbe3af8da4ebc1a427
MD5 SHA1 SHA512

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads